It may be recommendable to make payments in groups in order to avoid expenses and taxes. In this case we request that you simultaneously send an email to: "internacionalf3f@gmail.com" informing us with the identity of the relevant registrants.

1 week before the contest, the final participants list will be published with the bib number and the transmitter frequency to be used by pilots. This frequency cannot be changed since they are assigned at the same time as the drawing of the bib number.